Dual Arachnid

K

Kinski

Member
A dual arachnid with one side having 2 EPROMs to choose from. Used the vero layout found on this forum.
Went together very easily, except for a bad rotary switch. Once replaced, it all worked. Sounds great!

I do find that some of the knobs don’t seem to do much at all on certain patches. Some of the reverbs have a high and low control, and I can barely hear the difference when adjusting. And same with the ducking reverb. Not much happens when adjusting the controls. But no big deal. Like I said, everything sounds fantastic.
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Thanks! I forgot to mention the relays! 1776 FX Finish Line relays! I love these. Super small, great price, and have always worked flawlessly for years on many builds of mine.
 
Kinski said:
I do find that some of the knobs don’t seem to do much at all on certain patches. Some of the reverbs have a high and low control, and I can barely hear the difference when adjusting. And same with the ducking reverb. Not much happens when adjusting the controls. But no big deal. Like I said, everything sounds fantastic.
Click to expand...

A few of the patches don't use all three parameters, and some are subtle.

As for the ducking reverb (aka Touch Reverb), try turning Parameter 3 to max then set the other two at opposite extremes. (One at min, the other at max, then the opposite).

One setting will almost infinitely sustain chords, the other is a cool gated almost synth-like reverb.
 
Robert said:
A few of the patches don't use all three parameters, and some are subtle.

As for the ducking reverb (aka Touch Reverb), try turning Parameter 3 to max then set the other two at opposite extremes. (One at min, the other at max, then the opposite).

One setting will almost infinitely sustain chords, the other is a cool gated almost synth-like reverb.
Click to expand...
Hey thanks! The suggestion for the Touch Reverb worked great!
 
That's some amount of work looks really good I like the 2 eeprom board idea

Now you've got my ordering finger itching it keeps wanting to press add to cart!
 
Mcknib said:
That's some amount of work looks really good I like the 2 eeprom board idea

Now you've got my ordering finger itching it keeps wanting to press add to cart!
Click to expand...
Thanks! Populating the arachnid board was a breeze. It was pretty time consuming getting the enclosure finished though. All the drilling, then designing the water slide decal for it, then sealing with clear coat took a lot of time. I used to only ever build with vero, so moving to PCBs with board mounted pots feels so luxurious.
 
The AB is just a label for the toggle switch located just around the edge on the back. It’s to toggle between the two EPROMs.
 
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